tom. >> tom: so draw the thread for us. how can investors be certain that a company's innovation leads to profit for the company and thusly to shareholders. >> if they get it right, consumers and other purchasers love what they have and keep buying. and the example is apple. they keep bringing out the great products. if you look at their numbers, profit was about $2 billion in 2006. and it is about $8 billion as of last year. the numbers add up, and the share price from 50 to 250 in that timeframe. >> tom: what is interesting about the list you brought along with you tonight is it is an non-technology list of innovators. beginning with wal-mart. innovation versus consumer spending. it is it consumer spending that cowbts at w.m.t.? >> i wanted to look at how innovation affects regular companies, like a retailer like wal-mart. the idea is wal-mart has gone green. the innovation factor is based on the top 50 most innovative companies. wal-mart rated very high because it is investing in sustainable effort. it is very ambitious,